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Apple RF Software Engineer 
United States, California, Sunnyvale 
319909780

06.05.2025
As a RF Software Engineer on the Cellular FW team, you will be at the center of the embedded 5G/4G/multimode cellular firmware effort within a silicon design group responsible for crafting and productizing innovative cellular SoCs! This position requires someone comfortable with all aspects of embedded software development, that thrives in a wide-ranging multi-functional organization, is not afraid to debate ideas openly, and is flexible enough to shift on constantly evolving requirements.
- Design and implement RF device drivers and RF software to control RF transceivers and RF front-end components with detailed timing requirements. - Design, develop, and optimize the cellular modem processing algorithms pertaining to Baseband and RF components in a cellular system. - Work with Baseband & RF systems and hardware designers to define hardware architecture and software computing requirements. - Work with multi-functional teams to lead dependencies while driving the key Radio features.
  • Minimum BS with 10 + years of relevant proven experience.
  • Strong knowledge of mobile communications in 4G/5G 3GPP protocols and radio architecture and Interfaces.
  • Solid knowledge of RF transceiver and RF front end components control for 4G/5G radio.
  • Strong understanding of RF calibrations for compensating RF impairments.
  • Deep understanding of software engineering principles, and core computer science fundamentals.
  • Excellent in embedded C/C++ programming, and working experience with compilers, build and source code control tools.
  • Experience with using RF Test equipment for RF validation and debugging.
  • Proficiency with debugging in embedded software systems.
  • Understanding of design principles to meet tight real time deadlines a plus.
  • Familiarity with other Radio technologies such as WiFi/BT.
  • Experience with live network cellular device issue triage.
  • Familiarity with 3GPP regulatory test cases.
  • Experience with the production of cellular devices.
Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.